overlaps_ray()

bool MayaFlux::Kinesis::BoundingSphere::overlaps_ray ( const Ray &  ray ) const

inlinenoexcept

Returns true if the ray passes through or originates inside the sphere.

Parameters

ray	World-space ray with normalized direction.

Definition at line 161 of file Bounds.hpp.

    {
        glm::vec3 oc = ray.origin - center;
        float b = glm::dot(oc, ray.direction);
        float c = glm::dot(oc, oc) - radius * radius;
        const float discriminant = b * b - c;
        if (discriminant < 0.0F)
            return false;
        return -b + std::sqrt(discriminant) >= 0.0F;
    }

References b, center, and radius.